-- @testpoint: opengauss关键字message_text(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists message_text;
create function message_text(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带双引号-成功
drop function if exists "message_text";
create function "message_text"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带单引号-合理报错
drop function if exists 'message_text';
create function 'message_text'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `message_text`;
create function `message_text`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--清理环境
drop function if exists message_text;
drop function if exists "message_text";